Find the vector projv u.v = 2i - 2j - 4k, u = 5i - 12k
A. 
i - 
j - 
k
B. 
i - 
k
C. 
i - 
k
D. 
i - 
j - 
k
Answer: D
Mathematics
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Provide an appropriate response.Suppose that you are solving a system of 4 linear equations in 4 variables by the row echelon method. If you use the transformation -7R3 + R4, which row or rows of the augmented matrix, if any, will change?
A. Row 3 B. Row 4 C. Rows 3 and 4 D. None
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Simplify.-5z-2
A. 
B. - 
C. 
D. - 
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Translate into an equation and solve.A number divided by 5.3 is -0.801.
A. -4.2453 B. 6.101 C. 6 D. -6.101
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Simplify the rational expression, 
, by using long division or synthetic division.
A. 
B. 
C. 
D. 
E. 
Mathematics